ZKaccess F18, Installation Manual

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How to Place a Finger

Tips for different fingerprint conditions

ZKTeco’s fingerprint products are designed to verify fingerprints with highest security irrespective of the
conditions of the skin of the finger. However, in case a fingerprint is not read on the sensor, please refer to the
followings tips.
•
If a finger is stained with sweat or water, scan after wiping moisture off.
•
If a finger is covered with dust or impurities, scan after wiping them off.
•
If a finger is way too dry, please blow some warm air from your mouth on the finger tip.

Tips for fingerprint enrollment

In fingerprint recognition, enrollment process is very important. When enrolling a fingerprint, please try to place the
finger correctly with utmost care.

In case of low acceptance ratio, the following actions are recommended.
•
Delete the enrolled fingerprint and re-enroll the finger.
•
Enroll the same fingerprint again.
•
Try another finger if a finger is not easy to enroll due to scar or cuts.

In case of an enrolled fingerprint cannot be used due to injury or if the hand is full, it is recommended to enroll more
than two fingers per user.